Compact Push-Pull Latch Mechanism for Space-Saving Server Housings
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Solution Overview
Problem
Existing server housing latches require large, space-occupying handles for effort-saving operation, which is not conducive to efficient use of space and operation.
Innovation Solution
A push-pull rotating mechanism with a compact design that includes a first fixing member, pulling member, connecting member, steering member, and rotating member, utilizing guiding structures for flexible transmission and a locking mechanism to engage and disengage the server housing with a cabinet, reducing the number of components and space required.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a long handle is used for effort-saving operation, then the operating force is reduced, but the space occupied by the handle increases
Solution Approach 1:
The handle is divided into two separate components: a short operating handle and a separate force transmission mechanism (lever arm). The handle itself remains compact, while the force transmission is achieved through the connecting rod and latch hook assembly, separating the function of user operation from force multiplication.
Solution Approach 2:
A connecting rod serves as an intermediary element between the short handle and the latch hook. This connecting rod transmits and amplifies the force from the short handle movement to the latch hook, enabling a compact handle to achieve the force multiplication previously requiring a long handle.
2Power
If a long handle is used for effort-saving operation, then the torque is increased, but the space required for the mechanism increases
Solution Approach 1:
The mechanism components are nested within each other to minimize space. The connecting rod is housed within the latch hook assembly, and the spring mechanism is integrated into the existing structure. This nesting allows the force transmission system to occupy minimal space while maintaining the torque multiplication effect.
Solution Approach 2:
The force transmission is achieved not through extending the handle in one dimension, but through the rotational movement and geometric arrangement of the latch hook and connecting rod in multiple dimensions. The perpendicular arrangement of the connecting rod relative to the handle creates mechanical advantage through spatial configuration rather than linear extension.
3Volume of moving object
If the number of components is reduced for space-saving, then the space occupied is reduced, but the device complexity may increase
Solution Approach 1:
Multiple functions are merged into single components. The latch hook serves both as the locking element and as part of the force transmission mechanism. The connecting rod simultaneously transmits force and provides the mechanical advantage lever arm. The spring both returns the latch to position and assists in the latching action. This merging reduces the total component count while maintaining functionality.
Solution Approach 2:
Each component is designed to perform multiple functions. The handle provides both the user interface and the primary force application point. The connecting rod serves as both a force transmitter and a mechanical lever. The latch hook functions as both the locking element and part of the force multiplication system. This multi-functionality reduces the need for separate dedicated components for each function.
Data Source
AI summary
A push-pull rotating mechanism includes a first fixing member, a pulling member, a rotating member, a connecting member, and a steering member. The first fixing member includes a first side plate and a second side plate connected to the first side plate; the pulling member is movably disposed on the first side plate, the pulling member defines a first slideway, the rotating member is rotatably disposed on the second side plate, and the rotating member protrudes to form a first pin. The connecting member includes a first end, a second end, and a connecting portion connected between the first end and the second end, the first end corresponding to the first slideway is provided with a second pin, the second pin is movably inserted into the first slideway, the connecting portion is rotatably disposed on the first side plate, and the second end protrudes to form a third pin.